NPM module that exports the GameBoyCore.js file from grantgalitz/GameBoy-Online

Changes:

• Converted into module.
• Avoids using globals.
• Cleaner interface for options tuning.
• Compatible with browsers and node.js.
• Removed js-based resizing in favor of browser's.
• Allow for ROM input as Buffer or ArrayBuffer instead of deprecated binary strings
• Linting.
• Removed unneeded dependencies.
• Main interface turned into an Emitter.
• Incorporated debug.
• Added server-side usage examples

var gb = require('gameboy');
gb(canvasElement, romData, opts);

• bootRom - boot with boot ROM first (true)
• gbBootRom - use gameboy boot ROM instead of gameboy color (false)
• mbc1 - allow for MCB1 instead of ROM only (false)
• prioritizeGb - give priority to gameboy mode (false)
• interval - emulator loop interval (6)
• canvas - custom canvas constructor (null)
• imageSmoothing - smooth images when resizing (true)
• drawEvents - emit draw (false)
• sound - sound interface (null)
• volume - volume level (1)
• audioBufferMin - minimum span amount over x interpreter iterations (10)
• audioBufferMax - maximum span amount over x interpreter iterations (20)
• colorizeGb - colorize gameboy mode (true)
• overrideMbc - override MBC RAM disabling and always allow reading and writing to the banks (false)
• typedArrays - use typed arrays (true)
• channels - user controlled channel enables ([true,true,true,true])

• draw raised only if drawEvents is true whenever a draw to the canvas occurs
• error raised when emulation should be paused due to unexpected behavior

GPL2 - Copyright (C) 2010 - 2012 Grant Galitz